PHP: Merge arrays in loop -

   public function getcheckoutform(){    $arr = array(         'cmd' => '_cart',         'business' => 'some@mail',         'no_shipping' => '1',         'upload' => '1',         'return' => 'url',         'cancel_return' => 'url1',         'no_note' => '1',         'currency_code' => 'url2',         'bn' => 'pp-buynowbf');     $cpt=1;    foreach($this->items $item){         $arr1[] = array(             'item_number_'.$cpt.'' => $item['item_id'],             'item_name_'.$cpt.'' => $item['item_name'],             'quantity_'.$cpt.'' => $item['item_q'],             'amount_'.$cpt.'' => $item['item_price']             );         $cpt++;    }     return array_merge($arr,$arr1[0],$arr1[1]); } 

this returns array that:

    array (     [cmd] => _cart     [business] => some@mail     [no_shipping] => 1     [upload] => 1     [return] => url1     [cancel_return] =>url2     [no_note] => 1     [currency_code] => eur     [bn] => pp-buynowbf     [item_number_1] => 28     [item_name_1] => item_name_1     [quantity_1] => 1     [amount_1] => 5     [item_number_2] => 27     [item_name_2] => item_name_2     [quantity_2] => 1     [amount_2] => 30 ) 

the problem in return $arr1[0] , $arr1[1] hardcoded. , if in loop have more 2 arrays, lets 0,1,2,3 ans on, code won't work. idea? maybe logic compleatly wrong...

there's no need create arrays in loop - add new keys directly first array:

public function getcheckoutform(){    $arr = array(         'cmd' => '_cart',         'business' => 'some@mail',         'no_shipping' => '1',         'upload' => '1',         'return' => 'url',         'cancel_return' => 'url1',         'no_note' => '1',         'currency_code' => 'url2',         'bn' => 'pp-buynowbf'     );      $cpt=1;     foreach($this->items $item){         $arr['item_number_'.$cpt] = $item['item_id'];         $arr['item_name_'.$cpt] = $item['item_name'];         $arr['quantity_'.$cpt] = $item['item_q'];         $arr['amount_'.$cpt] = $item['item_price'];         $cpt++;     }     return $arr; }